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Efficacy of Fasting and Other Dietary Adjustments for Parkinson’s

Efficacy of Fasting and Other Dietary Adjustments for Parkinson’s

Efficacy of Fasting and Other Dietary Adjustments for Parkinson’s

October 30 2020

Efficacy of Fasting and Other Dietary Adjustments for Parkinson’s

As many as 1 million Americans are affected by Parkinson’s Disease, and approximately 60,000 are diagnosed with it each year. But despite PD being so common, a lot is still unknown or understudied about it, such as the causes and triggers that activate the disease. Similarly, there are no specific measures to help relieve the symptoms and maintain quality of life.

A growing body of research suggests that there may be a link between diet and Parkinson’s. Specifically, it focuses on diets, foods, and supplements that may affect the risk of developing PD and its progression. In this article, we’ll look into what we currently know and give advice for your dietary choices.

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Diets for People With Parkinson’s Disease

The scientific and medical community doesn’t know enough yet to recommend a very specific diet to treat Parkinson’s disease. What they can say for certain is that getting the right nutrition is vital, and whatever diet you choose, it should be balanced and sustainable.

That said, there is some interesting research on certain diets and patients with PD:

Ketogenic diets primarily consist of high-fats, moderate-proteins, and very-low-carbohydrates. Based on a 2019 study, it may have protective effects on the brain. It’s still early to come to definite conclusions, but the use of keto is fairly promising. Particularly, it mitigates inflammatory conditions and reduces the production of substances, causing cell death.

Intermittent fasting is an eating pattern that cycles between periods of fasting and eating. These cycles vary in duration, but one of the most popular is called the 5:2 diet. Here, people eat normally five days a week and cut their calorie intake on the other two. Caloric restriction and intermittent fasting seem to protect neurons against genetic and environmental factors associated with aging. As for ketones released when fasting, Parkinson’s patients have also seen good results.

Mediterranean diets are typically high in vegetables, fruits, whole grains, beans, nuts and seeds, and olive oil. The intake of meat and dairy is much lower than in the usual American diets. Higher adherence to an MD eating pattern has been associated with a reduced incidence of Alzheimer’s, Parkinson’s, and different forms of dementia. The study notes that fish oil and moderate wine consumption have been linked to slower cognitive decline.

A low or restricted protein diet limits the amount of protein you consume, typically so that it constitutes 4–8% of your daily calories. LPD is highly beneficial for levodopa, which remains the gold standard in the drug treatment of Parkinson’s disease. According to research, the use of low-protein products can improve the efficacy of levodopa in patients.

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Vitamins, Minerals, and Supplements That Can Help

It’s not a secret that minerals and vitamins are key nutrients our bodies need to thrive. But since we’re talking about nutrition in the context of Parkinson’s and Alzheimer’s, there are micronutrients that patients might need to focus on:

Vitamin D is what the body mainly makes when the skin is exposed to direct sunlight has been linked to a lower risk of Parkinson’s. Participants with higher vitamin D levels had a 65% lower risk of developing PD than those in the lowest range.

Vitamin B3 is found in foods such as yeast, meat, fish, milk, eggs, green vegetables, and cereal grains. It’s converted into NAD+ and serves a vital role in several processes inside cells. Parkinson’s disease and diets that are high in Vitamin B3 are connected through slower neuronal aging and death.

Coenzyme Q10 occurs naturally inside the cells, but some foods also contain CoQ10, such as meats (pork, beef, chicken, heart, liver, and kidney) and fatty fish (trout, herring, mackerel, and sardine). The findings from The National Institute of Neurological Disorders and Stroke suggested that CoQ may slow the progressive impairment of PD.

Glutathione is an antioxidant that you can get from eating asparagus, avocado, cabbage, brussels sprouts, spinach, broccoli, garlic, chives, tomatoes, cucumber, almonds, and walnuts. One study looked into supplementation with n-acetylcysteine, which is what our bodies use to absorb glutathione and saw promising results.

Fish oil (omega 3) is found in high quantities in mackerel, salmon, cod liver, herring, oysters, sardines, and anchovies. Studies show that this nutrient represents a valuable and biologically plausible tool for managing neurodegenerative diseases in their early stages.

Caffeine found in coffee, black and green tea, cocoa, cola soft drinks, and energy drinks may also have a positive effect on PD and AD. It has protective properties in both men and women but especially in women who did not use post-menopausal estrogens (HRT).

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More on Fasting and Keto for Individuals with PD

It’s slightly too early to claim that the ketogenic diet dramatically improves Parkinson’s disease and Alzheimer’s. But this approach, as well as fasting, is quickly showing some strong potential. Since it’s outside the realm of drugs and medications, it’s a very gentle method that is gaining attention.

Both diets rely on our bodies switching to an alternate energy source – ketone bodies. Keto diet for Parkinson’s patients can increase ketones fourfold, whereas fasting has been shown to increase ketones by up to twentyfold.

Researchers assume that the positive effects seen in mice could be rooted in evolution. The transition from hunter-gatherer to agricultural societies meant that people no longer had to go long periods without eating. However, back then, our bodies favored those who could survive with long breaks between meals.

Our bodies are dependent on glucose as an energy source that we receive from carbohydrates in foods. It lasts for about 12 hours after we eat, and then our bodies switch to ketones. These chemicals also fuel our organs, including the brain. Higher ketone production has been linked to improved thinking, learning, and memory.

Other reasons Parkinson’s and Alzheimer’s patients are recommended fasting are:

  • Neuro-protection. Nerves are largely composed of a fatty substance. With a high-fat diet, nerves receive more material to repair and protect themselves. Also, ketone bodies themselves lower inflammation and protect our cells and mitochondria (the cell’s energy producers) from stress.
  • Anti-oxidation. Glucose and carbohydrate metabolism are responsible for the oxidation. While it’s a crucial process, it also leads to oxidative damage, which is a key factor in PD. It contributes to neurodegeneration and intensifies the symptoms. Ketones, on the other hand, show antioxidant activity.
  • Improved energy production. Ketones are known as an even more efficient fuel than glucose, providing more energy per unit oxygen used. It doesn’t mean they are better than glucose in every way, but it does lead to less stress in energy production.
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Nutrition Tips for People with Parkinson’s Disease

We’re not claiming you should try fasting to cure disease. But we have some knowledge of what makes a healthy lifestyle for a person with Parkinson’s. For convenience, we’ve divided our tips into three categories.

Tips for maintaining general health:

  • Avoid fad diets. The restrictions imposed by fad diets are unhealthy and unrealistic to maintain and, ultimately, lead to failure.
  • Limit the consumption of salt. It reduces blood pressure and risk of cardiovascular disease, stroke, and coronary heart attack, especially in the elderly.
  • Incorporate antioxidants into your diet. Those protect our bodies from the damage caused by free radicals that attack bodies’ healthy cells and weaken the immune system.
  • Engage in moderate-intensity physical activity. For substantial health benefits, adults should do at least 150 to 300 minutes a week of moderate-intensity exercise. It can be as simple as going for a walk.
  • Maintain a healthy weight. Ask your doctor to determine what a healthy weight means for you.

Tips to ease PD symptoms:

  • Choose diets rich in high-fiber foods, such as whole grains (whole wheat pasta, quinoa, brown rice, oatmeal, couscous), fruit, and beans to relieve or prevent constipation and other digestive problems.
  • Take enough water with your medications. This helps the body break down the medication more efficiently.
  • Reduce the daily intake of sugar. The goal is to begin limiting refined sugar a little at a time to better brain health.
  • Have your vitamin D levels checked. Having suboptimal vitamin D levels may lead to tiredness, depression, bone loss, and muscle pain.

Tips for getting started:

  • Make small changes. It can be trying intermittent fasting only for a week to see what it feels like.
  • Choose alternatives that you like. Suppressed hunger is a common issue, so choose foods that you naturally gravitate to.
  • Stay hydrated. It doesn’t only include drinking water but also eating foods with high water content (celery, butternut squash, grapefruit, strawberries, and watermelon).
  • Seek help from family and professionals. They will help account for your individual needs and the timing of your medications.


Before making any claims about fasting and Parkinson’s, let’s clarify three things:

  1. There’s currently no cure for Parkinson’s disease.
  2. The treatment may be helpful but does have potentially severe side effects.
  3. There may be promising disease-modifying treatments for Parkinsonian patients, which are non-medicated.

If you’re going to experiment with different dietary adjustments, it should be under the supervision of someone with specialized training. If done right, you may alleviate certain PD symptoms. But even with no PD-specific diet, it’s always beneficial to maintain overall good health through a balanced diet.

To learn about different strategies that help improve the quality of life for someone with Parkinson’s and Alzheimer’s, reach out to All American Home Care. Our nurses have the necessary qualifications and skills to help them lead a more comfortable life.

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